ELEGOO 2PCS Mini Air Purifier with Activated Carbon Filter and Universal Adaptor for LCD/DLP/MSLA Resin 3D Printer
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A 4.2-ounce, battery-powered activated carbon filter that reduces resin odor in small 3D printer enclosures, not for comprehensive fume removal.
These 4.2-ounce battery-powered purifiers with activated carbon are designed to reduce resin odor in small, enclosed 3D printer spaces. They offer a 24-hour run time, but user feedback indicates they are not a substitute for proper ventilation or safety equipment for comprehensive VOC removal.
If you need actual air purification for safety, look for a system with a HEPA filter and a larger volume of activated carbon, ideally with external venting capabilities.
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Pros
- 2000mAh battery provides at least 24 hours of continuous operation.
- Activated carbon filters absorb resin odor.
- Compatible with most LCD/DLP/MSLA resin 3D printers.
- Comes in a pack of two.
- Small size allows placement inside printer enclosures.
- Operates quietly.
Cons
- Replacement carbon blocks are not readily available from Elegoo.
- Does not eliminate all VOCs or replace proper ventilation for safety.
- Some users report minimal or no noticeable difference in odor reduction.
- Battery life, while 24 hours, requires recharging.
- Airflow is minimal compared to printer fans or larger air purifiers.
Dimension Scores
While they contain activated carbon for odor absorption, user reports indicate inconsistent effectiveness in reducing resin smell and no ability to filter all VOCs.
The purifiers are battery-powered, lightweight at 4.2 ounces, and can be placed directly inside the printer enclosure without external wiring.
They are compatible with most LCD/DLP/MSLA resin printers, but their effectiveness is limited to small, enclosed spaces for odor reduction only.
The units themselves seem to hold up, with 81% of users praising durability, but the carbon filters need regular replacement and are hard to source directly.
Best For
- Reducing initial resin odor when opening a printer enclosure.
- Temporary odor mitigation in a small, enclosed resin 3D printer space.
- Users who cannot implement external ventilation and need some odor reduction.
Not Recommended For
- Complete removal of all harmful VOCs from resin printing.
- Replacing a respirator or proper room ventilation for safety.
- Large rooms or open printing setups where air volume is high.
Watch Out For
- Replacement carbon filters are hard to find from Elegoo, forcing users to seek alternative solutions like aquarium charcoal pellets.
- The small size and carbon filtration limit airflow, making them ineffective for meaningful VOC removal outside a small enclosure.
- Some users report the purifiers make no noticeable difference in smell, even with two units running.
- The filters get saturated and can start releasing molecules back into the air if not replaced.
Full Specifications
| ASIN | B086277CNQ |
| Brand | ELEGOO |
| Color | White |
| Item Weight | 4.2 ounces |
| Noise Level | 10 Decibels |
| Filter Class | Activated Carbon |
| Manufacturer | ELEGOO |
| Power Source | Battery Powered |
| Controller Type | Button Control |
| Special Feature | Resin Odor Filtering for 3D Printers |
| Item model number | ELEGOO Mini Air Purifier |
| Product Dimensions | 1.73"D x 1.73"W x 4.21"H |
| Contaminant Filtration Capability | Resin Odor |
What Buyers Say
Many users grab these hoping for a magic bullet against resin fumes, but the reality is they're more of a small odor dampener than a safety device. People consistently report they help a bit with the initial stink when you open the printer lid, but don't expect them to make your print room safe or completely odorless. The biggest headache seems to be finding replacement carbon filters, which Elegoo doesn't reliably sell, pushing people to DIY solutions.
“Dude, I bought these thinking they'd save my nose, and yeah, the smell isn't as bad when I open the printer, but my room still stinks and I'm still wearing my mask. And good luck finding new filters, seriously.”
Common Praise
- Reduces the initial strong odor when taking off the printer lid.
- Operates quietly, almost inaudible compared to the printer.
- Battery lasts for 24 hours on a single charge.
- Compact size fits inside most resin printer enclosures.
Common Complaints
- Does not eliminate all resin fumes or VOCs, requiring continued use of respirators and ventilation.
- Replacement carbon filters are difficult to purchase directly from Elegoo.
- Some users experience no noticeable difference in odor reduction.
- Airflow is minimal, making them ineffective for larger spaces.
Ownership Tips
- The 24-hour battery life means you'll be charging them frequently if you print often.
- You'll likely need to find alternative sources for activated carbon, like aquarium charcoal pellets, to refill the filters.
- Even with these running, you'll still smell resin, especially with more pungent types.
- They work best when you run them for a few hours *after* printing to clear residual odors.
Frequently Asked Questions
Do these purifiers eliminate all resin fumes?
No, Elegoo states they are for odor reduction and do not replace ventilation for safety. They primarily target larger, polarized molecules, but many harmful VOCs may pass through.
How long does the battery last?
The 2000mAh battery provides at least 24 hours of continuous operation on a full charge.
Are replacement filters available?
Replacement carbon blocks are not consistently available from Elegoo, so users often seek third-party solutions like aquarium charcoal pellets.
Can I use these outside my printer enclosure?
They are designed for use inside a printer enclosure. Outside a small enclosure, their small size and limited airflow mean they won't effectively filter a meaningful amount of VOCs.
Do these make a noticeable difference in smell?
Some users report a reduction in initial odor, especially when opening the lid, but others find no noticeable difference, even with two units running.
Buying Guide
When you're dealing with resin 3D printing, the fumes aren't just a smell; they contain volatile organic compounds (VOCs) that can be harmful. These mini purifiers are designed to absorb *odor*, which is a part of the problem, but they won't filter out all the potentially dangerous stuff. Think of them as a small helper for your nose, not a full safety solution. You still need proper ventilation and personal protective equipment.
Activated Carbon Filter
This is the material that traps the smelly resin particles. It's like a sponge for odors, but it gets full over time and needs to be replaced to keep working.
Battery Powered (2000mAh)
This means it runs on its own internal power for about 24 hours before needing a recharge. It's convenient for placing inside a printer enclosure where power outlets aren't available.
Weight (4.2 ounces)
This tells you how light and portable it is. At 4.2 ounces, it's small enough not to interfere with your printer's operation or take up much space.
Alternatives
If you need to remove harmful VOCs and not just reduce odor, look for air purification systems with larger activated carbon beds and a strong fan, or consider an enclosure with direct external venting.
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